Cruise line: P&O Cruises

Cruise ship: Arcadia

Voyage dates: September 3–October 3, 2024 England to U.S. and Canada

Voyage number: J415

Number of passengers who reported being ill during the voyage out of total number of passengers onboard: 128 of 1,959 (5.57%)

Number of crew who reported being ill during the voyage out of total number of crew onboard: 19 of 799 (2.41%)

Predominant symptoms: diarrhea and vomiting

Causative agent: norovirus

Actions in response to the outbreak

In response to the outbreak, P&O Cruises and the crew aboard the ship reported the following actions:

                  •               Made announcements to notify onboard passengers and crew of the outbreak, encourage case reporting, and encourage good hand hygiene

                  •               Collected stool specimens from gastrointestinal illness cases for testing

                  •               Increased cleaning and disinfection procedures according to their outbreak prevention and response plan

Cruise line: Royal Caribbean International

Cruise ship: Radiance of the Seas

Voyage dates: September 20–September 27, 2024 Seattle to Alaska

Voyage Number: 20118

Number of passengers who reported being ill during the voyage out of total number of passengers onboard: 180 of 2,172 (8.29%)

Number of crew who reported being ill during the voyage out of total number of crew onboard: 3 of 894 (0.34%)

Predominant symptoms: diarrhea, abdominal cramps, headache, muscle aches

Causative agent: Salmonella

Actions in response to the outbreak

In response to the outbreak, Royal Caribbean International and the crew aboard the ship reported the following actions:

                  •               Made announcements to notify onboard passengers and crew of the outbreak, encourage case reporting, and encourage good hand hygiene.

                  •               Collected stool specimens from gastrointestinal illness cases for testing.

                  •               Increased cleaning and disinfection procedures according to their outbreak prevention and response plan.